Back Rena External Aquarium Filters     Rena XP1 Powerful, easy to use aquarium filter has an anti-airlock system for continuous, silent operation; media baskets hold mechanical, chemical and/or biological filtration; self-locking water shutoff system; self-priming easy startup. For aquariums up to 45 gal. Guaranteed self-priming system (unique " anti-airlock " system) Adaptable to all types of aquariums (spraybar and powerhead included) Extremely quiet Efficient 3-step filtration guaranteed in a by pass-free construction   RENA XP1   £83.95     Rena XP2 Powerful, easy to use aquarium filter has an anti-airlock system for continuous, silent operation; media baskets hold mechanical, chemical and/or biological filtration; self-locking water shutoff system; self-priming easy startup. For aquariums up to 75 gal. Guaranteed self-priming system (unique " anti-airlock " system)  Adaptable to all types of aquariums (spraybar and powerhead included) Extremely quiet Efficient 3-step filtration guaranteed in a by pass-free construction     RENA XP2   £99.95       Rena XP3 Powerful, easy to use aquarium filter has an anti-airlock system for continuous, silent operation; media baskets hold mechanical, chemical and/or biological filtration; self-locking water shutoff system; self-priming easy startup. For aquariums up to 175 gal. Guaranteed self-priming system (unique " anti-airlock " system) Adaptable to all types of aquariums (spraybar and powerhead included) Extremely quiet Efficient 3-step filtration guaranteed in a by pass-free construction     RENA XP3   £109.95         For rena spares and media click this text link